Concrete

Concrete is where I keep my step-by-step guides for planning, pouring, and finishing concrete projects.

Topics include base prep, forms, reinforcement, thickness, mixing and placing, finishing, curing, sealing, and long-term durability. I also cover troubleshooting—what to do when concrete cracks, scales, dusts, or cures unevenly.

If you’re new to concrete, start with the planning and prep articles. They prevent most of the expensive mistakes.

Worker pouring wet concrete onto ground surface

Pouring a Concrete Pad for a Heat Pump/AC: Vibration Isolation and Drainage Details

Introduction Pouring a concrete pad for a heat pump involves creating a level, vibration-isolated base with proper drainage. Plan a level, supported site and confirm any local rules before you pour. Check the equipment pad specs and local drainage requirements. To limit vibrations, place the slab on a simple isolation layer and centered under the […]

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Steel rebar grid and metal formwork on concrete base

Concrete Pad for a Generator: Bolt Layout, Clearance, and Crack Control

Introduction A concrete pad for a generator is a level, reinforced slab designed to support the weight and vibration of a generator. This piece covers how to lay out bolts, keep proper clearance, and control cracks in a DIY-friendly way. Plan a clean, square pad with a solid base and verify level before you pour.

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Weathered wooden fence post with rusty barbed wire attached

DIY Concrete for Fence Posts in Wet Soil: Bell Holes, Gravel, and Frost-Heave Tricks

Introduction DIY concrete for fence posts in wet soil means setting posts in a stable base using bell holes, a layer of gravel, and tricks to manage frost movement. This method helps keep posts upright when the ground is soggy. Plan to pour and cure with attention to drainage and stability and to follow local

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Concrete support columns under a waterfront bridge

Concrete Downspout Extensions: When to Use Channels vs. Buried Pipe

Introduction Concrete downspout extensions are either surface channels or buried pipes that move roof runoff away from the house. Channels sit along the ground and channel water visibly, while buried pipes hide under the soil. Choose the option based on how visible you want it and how much grading you can maintain. Check local rules

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Person using level on wooden form with screws nearby

DIY Concrete ‘Rock Face’ Texture: Simple Form Liner Alternatives

Introduction Rock-face texture in concrete is a rough, split-look finish created with simple form liners. This article covers easy, affordable ways to get that look without heavy equipment. You’ll want to check the liner instructions and local rules before you start. If you don’t have ready-made liners, you can improvise with basic plywood or foam

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Old hammer and chisel on wood shavings covered surface

DIY Concrete Overlay Over Tile: When It’s Possible and the Bond-Breakers to Avoid

Introduction Yes, you can overlay concrete over tile if the tile is sound and properly prepared for bonding. Make sure the existing surface is firmly adhered and free of movement. If you’re unsure, check the manufacturer’s instructions or local rules before you start. Watch for bond-breakers like sealants, coatings, or residue that can prevent adhesion

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Close-up of a concrete surface with multiple cracks

How to Reinforce a Thin Concrete Overlay Over Plywood (So It Won’t Crack)

Introduction A thin concrete overlay over plywood is a lightweight concrete layer applied on a plywood subfloor to smooth and level the surface while staying thin enough to avoid excessive buildup. It must be prepared and reinforced properly to resist cracking in normal use. Check manufacturer instructions and local rules for feasibility and any limits.

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Ants marching along a white kitchen countertop edge

Concrete Countertop ‘Ghosting’ From Rebar or Mesh: Prevention and Fix Options

Introduction Ghosting on concrete countertops means the imprint or shadow of rebar or mesh showing through the surface. It usually happens when the reinforcement sits too close to the surface or moves during the pour. To avoid it, confirm your reinforcement is properly located in the forms with enough cover and secured before the mix

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Close-up of concrete countertop surface with pinholes and texture

Fixing Pinholes in Concrete Countertops Without Regrinding the Whole Surface

Introduction A pinhole is a tiny void or air gap in cured concrete that shows as a small surface pore. You can fix it without regrinding the entire countertop by targeting the defect with the right repair approach. This intro covers identifying pinholes and choosing practical repair materials for a DIY fix. Prepare the surface

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